Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:12:2: error: ‘sol’ was not declared in this scope sol[1][1] = sol[2][1] = sol[3][1] = sol[4][1] = sol[5][1] = 1; ^ user.cpp:13:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i<=n;i++) ^ user.cpp:9:9: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^